Massive open online courses refer to large-scale open online courses, and micro-courses refer to micro-courses, which are part of massive open online courses.

The classic explanation of massive open online courses is the well-known large-scale open online courses. Originated from Canadian University in 2008, 20 1 1-20 12. Due to the positive actions of Harvard University, Yale University, Stanford University and other famous American universities, it has aroused widespread concern all over the world, and universities in China have also attracted widespread attention on 20 13.